On Mon, 2017-08-28 at 13:53 -0700, David Ahern wrote:
> Tariq repored local pings to linklocal address is failing:
> $ ifconfig ens8
> ens8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 11.141.16.6 netmask 255.255.0.0 broadcast 11.141.255.255
> inet6 fe80::7efe:90ff:fecb:7502 prefixlen 64 scopeid 0x20<link>
> ether 7c:fe:90:cb:75:02 txqueuelen 1000 (Ethernet)
> RX packets 12 bytes 1164 (1.1 KiB)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 30 bytes 2484 (2.4 KiB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
> $ /bin/ping6 -c 3 fe80::7efe:90ff:fecb:7502%ens8
> PING fe80::7efe:90ff:fecb:7502%ens8(fe80::7efe:90ff:fecb:7502) 56 data bytes
>
> --- fe80::7efe:90ff:fecb:7502%ens8 ping statistics ---
Note that the presence of this leading --- had the effect of truncating
the merged patch from this point. (all tags were ignored)
> 3 packets transmitted, 0 received, 100% packet loss, time 2043ms
>
> icmpv6_echo_reply needs to use the rt6i_idev dev index for local traffic
> similar to how icmp6_send does. Convert the change for icmp6_send into a
> helper that can be used in both places. Add the long over due
> skb_rt6_info helper to convert dst on an skb to rt6_info similar to
> skb_rtable for ipv4.
>
> Fixes: 4832c30d5458 ("net: ipv6: put host and anycast routes on
> device with address")
> Reported-by: Tariq Toukan <tar...@mellanox.com>
> Signed-off-by: David Ahern <dsah...@gmail.com>
> ---
